A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.
Classification: Safety or relief valves
NSN 5975-01-286-0554
NSN 5935-01-500-1827
NSN 6650-00-952-4500
NSN 6610-01-376-9199
NSN 2925-00-096-5526
NSN 5930-01-123-4732
NSN 5998-00-111-2197
NSN 6620-00-527-9280
NSN 5990-00-902-5268
NSN 6135-01-469-6429
NSN 5945-01-193-8220
NSN 5835-01-460-6054